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kolbaska11 [484]
3 years ago
14

Implantation Which of the following sequences correctly describes prenatal development? A. blastocyst implants in uterus, zygote

forms, heart begins beating, lungs can breathe air, sex organs become visible B. blastocyst implants in the uterus, zygote forms, heart begins beating, sex organs become visible, lungs can breathe air C. zygote forms, blastocyst implants in the uterus, heart begins beating, sex organs become visible, lungs can breathe air D. zygote forms, blastocyst implants in the uterus, sex organs become visible, heart begins beating, lungs can breathe air 3. Which of the following correrti​
Biology
2 answers:
satela [25.4K]3 years ago
7 0

Explanation:

A because in the pental development the men and women sex others for there fun and baby in this ara

swat323 years ago
7 0

Answer:d

Explanation:

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In pea plants, long stems are dominant to short stems, purple flowers are dominant to white, and round peas are dominant to wrin
meriva

Assuming the genes are not linked nor interacting with each other, the expected number of long stemmed plants with purple flowers, producing wrinkled peas, L-P-rr, is 288.

<h3>Available data</h3>

  • long stems are dominant to short stems
  • purple flowers are dominant to white,
  • round peas are dominant to wrinkled

  • Each trait is determined by a single, different gene.

  • A heter0zyg0us plant is self-crossed
  • F1) 2,048 descendants

Let us name te alleles as follows

  • L ⇒ Long stem
  • l ⇒ Short stem
  • P ⇒ Purple flowers
  • p ⇒ white flowers
  • R ⇒ Round peas
  • r ⇒ wrinkled peas

Cross) heter0zyg0us plant is self-crossed

Parental) LlPpRr

Gametes) LPR, LPr, LpR, Lpr, lPR, lPr, lpR, lpr

Assuming that these genes are not linked nor interacting with each other, to make the calcs easier we will make crosses considering each gene separately.

  • Stems

Parental) Ll  x  Ll

F1) 1/4 LL, 2/4 Ll, 1/4 ll

     <u>3/4 long stem,</u> 1/4 short stem

  • Flower color

Parental) Pp  x  Pp

F1) 1/4 PP, 2/4 Pp, 1/4 pp

     <u>3/4 purple flowers</u>, 1/4 white flowers

  • Peas

Parental) Rr  x  Rr

F1) 1/4 RR, 2/4 Rr, 1/4 rr

     3/4 round peas, <u>1/4 wrinkled peas</u>

Now, we will get the proportion of individuals with long stems, purple flowers, producing wrinkled peas, L-P-rr

<u><em>Note</em></u><em>: The symbol - is representing either a dominant or a recessive allele.</em>

From the crosses, we know that

  • 3/4 are long stemmed,
  • 3/4 have purple flowers, and
  • 1/4 have wrinkled peas.

To get the proportion of individuals expressing all these traits together, we just need to multiply these values.

3/4 L- x 3/4 P- x 1/4 rr =<u> 9/64 L-P-rr</u>

Knowing that  the total number of plants is 2,048 and that there are 64 possible gametes combinations from this cross, we will use the proportion 9/64 to get the number of plants with these traits.

64 ------------- 2,048 plants

9 -------------- X = (9 x 2048) / 64 = 288 plants.

<em>We expect to find 288 long stemmed plants with purple flowers, producing wrinkled peas.</em>

<em />

<em />

You will learn more about trihybrid crosses at

brainly.com/question/21942441

brainly.com/question/7333760

brainly.com/question/6764853

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2 years ago
Hellp asap i have 5 mins
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When reading information on websites you should look for all of the aforementioned except: A. number of hits.

<h3>What is a website?</h3>

A website can be defined as a collective name which connotes a series of webpages that are interconnected and linked together with the same domain name, so as to provide certain information to end users over the Internet or an active network connection.

<h3>What is a web server?</h3>

A web server can be defined as a type of computer that is designed and developed to run websites and distribute webpages as they are being requested over the Internet by end users (clients).

<h3>What is a hit?</h3>

In Computer technology, a hit can be defined as the number of digital files that are downloaded from a website and registered on the web server over a specific period of

In this context, we can infer and logically deduce that when reading information on websites you should look for all of the following:

  • Author's name and credentials.
  • Website sponsors.
  • Date last updated.

Read more on websites here: brainly.com/question/3733655

#SPJ1

Complete Question:

When reading information on websites you should look for all of the following except:

A. Number of hits.

B. Author's name and credentials.

C. Website sponsors.

D. Date last updated.

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How many total atoms are in the following compound?<br><br> 2K2CO3
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Answer:

There is 3 because K2 is its own atom and it has 2 K2 and Co3 is its own and there's one

Explanation:

This is what I was taught

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If you need to perform hand hygiene and do not have access to running water, using your personal anti-bacterial lotion is suffic
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This isn't a question, however if you really need to wash your hands you ares is a good place to do so.

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